RasterizerState.h

/*     Copyright 2015-2018 Egor Yusov
 *  
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
 *
 *  In no event and under no legal theory, whether in tort (including negligence), 
 *  contract, or otherwise, unless required by applicable law (such as deliberate 
 *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
 *  liable for any damages, including any direct, indirect, special, incidental, 
 *  or consequential damages of any character arising as a result of this License or 
 *  out of the use or inability to use the software (including but not limited to damages 
 *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
 *  all other commercial damages or losses), even if such Contributor has been advised 
 *  of the possibility of such damages.
 */

#pragma once


#include "BasicTypes.h"

namespace Diligent
{


enum FILL_MODE : Int32
{ 
    FILL_MODE_UNDEFINED = 0,

    FILL_MODE_WIREFRAME,    

    FILL_MODE_SOLID,        

    FILL_MODE_NUM_MODES     
};


enum CULL_MODE : Int32
{
    CULL_MODE_UNDEFINED = 0,

    CULL_MODE_NONE,

    CULL_MODE_FRONT,

    CULL_MODE_BACK,

    CULL_MODE_NUM_MODES
};



struct RasterizerStateDesc
{
    FILL_MODE FillMode;

    CULL_MODE CullMode;

    Bool      FrontCounterClockwise;

    Int32     DepthBias;

    Float32   DepthBiasClamp;

    Float32   SlopeScaledDepthBias;

    Bool      DepthClipEnable;

    Bool      ScissorEnable;

    Bool      AntialiasedLineEnable;


    RasterizerStateDesc(FILL_MODE _FillMode              = FILL_MODE_SOLID,
                        CULL_MODE _CullMode              = CULL_MODE_BACK,
                        Bool      _FrontCounterClockwise = False,
                        Int32     _DepthBias             = 0,
                        Float32   _DepthBiasClamp        = 0.f,
                        Float32   _SlopeScaledDepthBias  = 0.f,
                        Bool      _DepthClipEnable       = True,
                        Bool      _ScissorEnable         = False,
                        Bool      _AntialiasedLineEnable = False) : 
        FillMode             ( _FillMode ),
        CullMode             ( _CullMode ),
        FrontCounterClockwise( _FrontCounterClockwise ),
        DepthBias            ( _DepthBias ),
        DepthBiasClamp       ( _DepthBiasClamp ),
        SlopeScaledDepthBias ( _SlopeScaledDepthBias ),
        DepthClipEnable      ( _DepthClipEnable ),
        ScissorEnable        ( _ScissorEnable ),
        AntialiasedLineEnable( _AntialiasedLineEnable )
    {
    }
    


    bool operator == (const RasterizerStateDesc& RHS)const
    {
        return  FillMode              == RHS.FillMode              &&
                CullMode              == RHS.CullMode              &&
                FrontCounterClockwise == RHS.FrontCounterClockwise &&
                DepthBias             == RHS.DepthBias             &&
                DepthBiasClamp        == RHS.DepthBiasClamp        &&
                SlopeScaledDepthBias  == RHS.SlopeScaledDepthBias  &&
                DepthClipEnable       == RHS.DepthClipEnable       &&
                ScissorEnable         == RHS.ScissorEnable         &&
                AntialiasedLineEnable == RHS.AntialiasedLineEnable;
    }
};

}